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Finding the Third Proportional to 3,317,554,449 and 7,127,442,936

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Solution

The third proportional to 3,317,554,449 and 7,127,442,936 is: 15,312,617,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,554,449 : 7,127,442,936 = 7,127,442,936 : x
  2. Step 2: Convert to fraction form
    3,317,554,449/7,127,442,936 = 7,127,442,936/x
  3. Step 3: Cross multiply
    3,317,554,449x = 7,127,442,936 × 7,127,442,936
  4. Step 4: Simplify right side
    3,317,554,449x = 50,800,442,805,936,300,032
  5. Step 5: Solve for x
    x = 50,800,442,805,936,300,032/3,317,554,449
  6. Step 6: Final answer
    x = 15,312,617,648.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.